Mechanism of Phase Transformations of γ-Al 2 O 3  and Al(OH) 3  into Boehmite (AlOOH) during Hydrothermal Treatment

G. P. Panasyuk; I. V. Kozerozhets; E. A. Semenov; M. N. Danchevskaya; L. A. Azarova; V. N. Belan

doi:10.1134/S0020168519090139

Mechanism of Phase Transformations of γ-Al₂O₃ and Al(OH)₃ into Boehmite (AlOOH) during Hydrothermal Treatment

Authors: Panasyuk G.P.¹, Kozerozhets I.V.¹, Semenov E.A.¹, Danchevskaya M.N.², Azarova L.A.¹, Belan V.N.¹
Affiliations:
1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
2. Moscow State University
Issue: Vol 55, No 9 (2019)
Pages: 929-933
Section: Article
URL: https://journals.rcsi.science/0020-1685/article/view/158763
DOI: https://doi.org/10.1134/S0020168519090139
ID: 158763

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Abstract

We propose a mechanism capable of describing phase transformations during the hydrothermal treatment of micron- and nanometer-sized γ-Al₂O₃ and Al(OH)₃ powders, identify the steps of the process, and demonstrate the role of water with a small heat of vaporization in the hydrothermal treatment process.